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@ARTICLE{Schnhals:838877,
      author       = {Schönhals, Alexander and Waser, R. and Wouters, Dirk J},
      title        = {{I}mprovement of {SET} variability in {T}a{O} x based
                      resistive {RAM} devices},
      journal      = {Nanotechnology},
      volume       = {28},
      number       = {46},
      issn         = {1361-6528},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2017-07383},
      pages        = {465203 -},
      year         = {2017},
      abstract     = {Improvement or at least control of variability is one of
                      the key challenges for Redox based resistive switching
                      memory technology. In this paper, we investigate the impact
                      of a serial resistor as a voltage divider on the SET
                      variability in Pt/Ta2O5/Ta/Pt nano crossbar devices. A
                      partial RESET in a competing complementary switching (CS)
                      mode is identified as a possible failure mechanism of
                      bipolar switching SET in our devices. Due to a voltage
                      divider effect, serial resistance value shows unequal impact
                      on switching voltages of both modes which allows for a
                      selective suppression of the CS mode. The impact of voltage
                      divider on SET variability is demonstrated. A combination of
                      appropriate write voltage and serial resistance allows for a
                      significant improvement of the SET variability},
      cin          = {PGI-7 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-7-20110106 / $I:(DE-82)080009_20140620$},
      pnm          = {521 - Controlling Electron Charge-Based Phenomena
                      (POF3-521)},
      pid          = {G:(DE-HGF)POF3-521},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29059050},
      UT           = {WOS:000413574200001},
      doi          = {10.1088/1361-6528/aa8f89},
      url          = {https://juser.fz-juelich.de/record/838877},
}